diff options
Diffstat (limited to 'src/configure.in')
| -rw-r--r-- | src/configure.in | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in index b80d48e..3a42d13 100644 --- a/src/configure.in +++ b/src/configure.in @@ -40,6 +40,19 @@ CL_PROG_INSTALL dnl dnl checks for compiler characteristics dnl +AC_MSG_CHECKING([for stack-allocated variable-size arrays]) +AC_CACHE_VAL(gp_cv_cxx_dynamic_array, [ +AC_LANG_SAVE() +AC_LANG_CPLUSPLUS() +AC_TRY_COMPILE([int func (int n) { int dynamic_array[n]; }], [], +gp_cv_cxx_dynamic_array=yes, gp_cv_cxx_dynamic_array=no) +AC_LANG_RESTORE() +]) +AC_MSG_RESULT($gp_cv_cxx_dynamic_array) +if test $gp_cv_cxx_dynamic_array = yes; then + AC_DEFINE(HAVE_DYNAMIC_ARRAY, 1, + [Define if the C++ compiler supports stack-allocated variable-size arrays.]) +fi dnl dnl checks for functions and declarations dnl |